This message was posted by Rod or Sharon on AmayaUsers.com. PLEASE DO NOT REPLY VIA EMAIL. Instead, respond to the thread on the WEBSITE by clicking here: http://www.amayausers.com/boards/cgi-bin/ultimatebb.cgi?/topic/4/797.html#000002 Below is a bit of info we share when we train. Polyester threads are designed to sew at the higher speeds and remember that Rayon is not colorfast. If you stitched a white baby bib and it went into the wash with bleach, your embroidery would come out white but Polyester keeps its color. Thread: Embroidery can be sewn with many types and sizes of threads depending on the desired finished appearance. Embroidery threads are commonly made from rayon, polyester, cotton and metallics. Rayon threads are generally made with a twisted multifilament construction and have a high sheen. Polyester threads can be made in three different thread constructions including a twisted multifilament, air entangled and spun construction. Obviously, cotton threads are only made in a spun construction. Both spun polyester and spun cotton thread have a ?matte? or low sheen appearance. Rayon and Polyester filament threads have a high sheen. Polyester is stronger than Rayon and has superior color fastness and abrasion / chemical resistance. Metallics are filament threads that have the highest luster and are formed with a synthetic core wrapped in metal foil. Generally metallic threads do not sew as well as polyester or rayon threads. The most common ticket size for rayon or polyester em broidery threads is a No. 40, however other sizes are available. A 60 weight thread is used for fine detail and small lettering for best results. Several thread companies are: Isacord by Ackermann, Madeira, RA (Robinson-Antone). Sharon =========================================================== The AmayaUsers Mailing List Website: http://www.amayausers.com Discussion Board: http://www.amayausers.com/boards Subscribe/Unsubscribe: http://www.amayausers.com/list ===========================================================